PFAS have conquered the world and have penetrated our life. That is serious enough and will continue to require assessment and action. According to an International Rainwater Harvesting Alliance(IIRHA )assessment, some 130 million people use rainwater regularly as water for drinking and food preparation. These people live mostly in Africa, Asia and Latin America. While some areas are more likely to be affected by PFAS because of industrial complexes nearby or urbanizing areas, most people will live away in areas with less air pollution. Their exposure to PFAS will be less, with lesser concentrations in water and foodstuff. The risk assessments for PFAS in developed countries or industrialized areas lead to more conservative maximum permissible levels for PFAS. Partly because not sufficient is yet known about this vast number of compounds that are included in the PFAS group. Read more